The James Read Tan Sleep Mask Go Darker Body is an overnight skin treatment that creates a deeper tan. Key benefits: - Creates a deep, bronze tan overnight - Colourless, stain-free gel - Infused with super-hydrating Black Rose Oil to beautify the skin - Easy to apply with fast drying formula - Colour lasts up to 5 days This product does not contain a sunscreen and does not protect against sunburn. Repeated exposure of unprotected skin while tanning may increase the risk of skin ageing and other harmful effects to the skin even if you do not burn.